Which from endocrine glands is responsible for a regulation of sleep?

hypothalamus
adrenal glands
thymus
pineal gland
The pineal gland is a small en­docrine gland in the ver­te­brate brain. It produces mela­ton­in, a sero­tonin derived hormone, which affects the mod­u­la­tion of sleep pat­tern­s. Mela­tonin is sold over-the-­counter as a sleep aid in the U.S. and Canada.

Answers distribution

hypothalamus
adrenal glands
thymus
pineal gland
answers
flagUkraine
4%
4%
2%
89%
46
flagRepublic of Ireland
22%
4%
3%
70%
94
flagthe Netherlands
15%
2%
13%
66%
45
flagPoland
21%
7%
7%
63%
16641
flagGermany
16%
10%
6%
63%
187
flagFrance
20%
15%
2%
61%
44
flagCzech Republic
25%
5%
10%
60%
20
flagthe United Kingdom
25%
6%
10%
57%
419
flagAustria
5%
31%
5%
57%
19
flagNorway
37%
0%
11%
51%
27
flagthe United Arab Emirates
30%
10%
0%
50%
20
flagIndia
27%
14%
7%
48%
325
flagCanada
32%
14%
4%
48%
49
flagSweden
26%
17%
8%
47%
23
flagUnknown
30%
12%
10%
46%
854
flagGreece
50%
0%
5%
45%
20
flagPakistan
28%
17%
11%
42%
45
flagthe United States
30%
12%
14%
39%
588
flagthe Philippines
40%
14%
10%
34%
47
flagAustralia
37%
16%
20%
25%
24

Gender

men47%
women54%
hypothalamus
30%
28%
adrenal glands
10%
8%
thymus
11%
9%
pineal gland
47%
54%

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Which from endocrine glands is responsible for a regulation of sleep?
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Details

Author: Paweł Kołodziejczyk
Illustration: Tambako The Jaguar
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